(PHP 4, PHP 5)
getmxrr — Get MX records corresponding to a given Internet host name
Searches DNS for MX records corresponding to hostname .
The Internet host name.
A list of the MX records found is placed into the array mxhosts .
If the weight array is given, it will be filled with the weight information gathered.
Returns TRUE if any records are found; returns FALSE if no records were found or if an error occurred.
| 版本 | 说明 |
|---|---|
| 5.3.0 | This function is now available on Windows platforms. |
Note: This function should not be used for the purposes of address verification. Only the mailexchangers found in DNS are returned, however, according to » RFC 2821 when no mail exchangers are listed, hostname itself should be used as the only mail exchanger with a priority of 0.
Note: For compatiblity with Windows before this was implemented, then try the » PEAR class » Net_DNS.